(a.) Not active; having no power to move; that does not or can not produce results; inert; as, matter is, of itself, inactive.
(a.) Not disposed to action or effort; not diligent or industrious; not busy; idle; as, an inactive officer.
(a.) Not active; inert; esp., not exhibiting any action or activity on polarized light; optically neutral; -- said of isomeric forms of certain substances, in distinction from other forms which are optically active; as, racemic acid is an inactive tartaric acid.
Example Sentences:
(1) Excretion of inactive kallikrein again correlated with urine flow rate but the regression relationship between the two variables was different for water-load-induced and frusemide-induced diuresis.
(2) This suggested that some of the cell population became metabolically inactive at a very early stage, possibly owing to suboptimal conditions of growth.Glycine, lysozyme and lithium chloride initiated lysis of BCG growth in the aforementioned media 24-48 hours after inoculation.
(3) No evidence was found of reactivation of the inactive (paternal) allele or inactivation of both maternal and paternal alleles.
(4) The IgM antibody was found at high titers in each of 70 patients with inflammatory liver disease and at a low titer in one of six patients with inactive cirrhosis; it was not found in eight carriers with normal liver histology.
(5) To this purpose, the formation of DHT has been measured in rat glial cell cultures after different time of exposure to TPA, 4 alpha-Ph, an active and an inactive phorbol ester respectively, and 8-Br-cAMP.
(6) Insulin incubation of plasma membranes pretreated with protease inhibitors (leupeptin, phenylmethylsulfonylfluoride) or with exogenous trypsin, but not chymotrypsin substrates (esters of arginine and tyrosine) yields an inactive supernatant on PDH.
(7) Using the asynchronously replicating (hence genetically inactive) X chromosome as a marker, we obtained evidence showing that most or all of these tumors were monoclonal in origin.
(8) Plasminogen activator inhibitor-1 (PAI-1), the primary physiological inhibitor of tissue-type plasminogen activator (t-PA) in plasma, is a serine proteinase inhibitor (serpin) that forms a 1:1 stoichiometric complex with its target proteinase leading to the formation of a stable inactive complex.
(9) Possible explanations of the clinical gains include 1) psychological encouragement, 2) improvements of mechanical efficiency, 3) restoration of cardiovascular fitness, thus breaking a vicous circle of dyspnoea, inactivity and worsening dyspnoea, 4) strengthening of the body musculature, thus reducing the proportion of anaerobic work, 5) biochemical adaptations reducing glycolysis in the active tissues, and 6) indirect responses to such factors as group support, with advice on smoking habits, breathing patterns and bronchial hygiene.
(10) Thus, progesterone appears to be a relatively inactive ligand with high affinity for the 20 beta-S receptor.
(11) The subscales Depression, Inactivity and Physical Impairment could not be identified as a factor.
(12) LM-fragment-8 competes for this binding to the same extent as unlabelled LM (75%), while fragment PI is inactive and fibronectin (FN) competes by about 30% only.
(13) Cell culture experiments showed that CA III induced a 2- to 11-fold increase in [14C]HA synthesis by human synovial fibroblasts (SF) in a dose-dependent manner (P less than 0.001); erythrocyte CA I and CA II were inactive.
(14) Polypeptides of egg-borne Sendai virus (egg Sendai), which is biologically active on the basis of criteria of the infectivity for L cells and of hemolytic and cell fusion activities, were compared by polyacrylamide gel electrophoresis with those of L cell-borne (L Sendai) and HeLa cell-borne Sendai (HeLa Sendai) viruses, which are judged biologically inactive by the above criteria.
(15) Total and Cu,Zn-SOD activities significantly decreased and Mn-SOD activities significantly increased in both the active (with increased ALT levels) and the inactive phases (with normal ALT levels) for 36 children with chronic persistent hepatitis (CPH).
(16) Various forms of inactive data storage and archiving in machine-readable form are available to address this dilemma, yet these solutions can create even more difficult problems.
(17) Incubation of the enzyme-inhibitor complex with the sulfhydryl reagent caused dissociation into active ribonuclease and inactive inhibitor.
(18) Pipemidic acid and nalidixic acid showed only low activity or proved to be inactive.
(19) It is suggested that an enzyme-inhibitor complex of an acyl-enzyme type is formed that is slowly hydrolysed, with water as the final acceptor, leaving an intact enzyme and an inactive form of the inhibitor.
(20) Plasma angiotensin II correlated with active renin but not with inactive renin, suggesting that the inactive renin does not produce angiotensin II in vivo.
Torpor
Definition:
(n.) Loss of motion, or of the motion; a state of inactivity with partial or total insensibility; numbness.
(n.) Dullness; sluggishness; inactivity; as, a torpor of the mental faculties.
Example Sentences:
(1) After arousal from torpor, within 2 h dendrites completely restored their structure.
(2) Bats have maximum life spans a minimum of 3 times those of nonflying eutherians--a trend resulting from neither low basal metabolic rate, the ability to enter torpor, nor large relative brain size.
(3) Three years of frustration at the torpor he found at the centre of the party spills out.
(4) Experiments with temperature and torpor and castration did not alter the annual did not alter the rhythm...
(5) Dietary lipids strongly influence the pattern of torpor and the body lipid composition of mammalian hibernators.
(6) Testosterone and 5 alpha-dihydrotestosterone administration totally inhibited daily torpor in hamsters which were exposed to short days.
(7) At 10 wk of age, group-housed glutamate-obese mice exhibited nocturnal and early diurnal torpor, i.e., they thermoregulated at a lower than normal body temperature.
(8) Estradiol inhibited torpor to a greater extent in intact and ovariectomized female hamsters hibernating in long days than those in short days, suggesting an effect of photoperiod on responsiveness to estradiol.
(9) Selective feeding and incorporation of high amounts of unsaturated fatty acids into tissues and cell membranes may be an important preparation for hibernation of E. amoenus which lowers its body temperature during torpor to about 0 degrees C.
(10) Like many mammalian heterotherms, the big brown bat, Eptesicus fuscus, breathes intermittently during torpor.
(11) Just as Everton’s bid to snap out of their torpor was gaining momentum, however, it was curtailed by a third United goal that killed the contest.
(12) Water independence is achieved through efficient renal function while low rates of energy usage and torpor are further effective in reducing overall water requirements.
(13) The object of the present study was to investigate whether these diet-induced physiological and biochemical changes also occur in species that show shallow, daily torpor.
(14) Nevertheless, decreased testosterone secretion alone is not a sufficient condition for induction of daily torpor, since torpor was rarely observed in hamsters exposed to long days, even after castration.
(15) Hormone levels were generally lower in hibernators sampled during bouts of torpor than during bouts of spontaneous arousal from torpor.
(16) It is concluded that there is an inverse temperature effect that minimizes fuel usage during torpor.
(17) In addition, carbohydrate levels are significantly lower, whereas fatty acid and ketone levels are significantly higher during torpor.
(18) After the last (terminal) arousal from torpor, T levels were moderately elevated for 4 wk and maximal for the next 6 wk before they returned to basal values.
(19) The durations of the intervals of torpor and euthermia during mammalian hibernation were found to be dependent on body mass.
(20) Castration influenced certain aspects of the daily torpor display.